i would say the failed record of barack obama on jobs, on gas prices, on debt management, on energy and compare that to the vision and the ideas for the future that mitt romney has. it's very important. the last couple weeks there's been a little bit of a movement for the president. but listen, speeches don't create jobs. rhetoric doesn't create jobs. good ideas do. and the president, despite his efforts, has failed to help the american people get back to work and i think mitt romney has better ideas. that's what this debate will be about. >> business crill crystal and o republicans have questioned whether mitt romney has been specific about his ideas. here's paul ryan on fox news sunday. >> lowering tax rates by broadening the tax base works. and you can -- >> but i have to -- you haven't given me the math. >> i don't have the time -- it would take me too long to go through all of the math. let me say it this way, you can lower tax rates by 20% across the board, by closing loopholes and still have preferences for the middle class for things like charitable deductions for home purchases